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mc240 problem

  1. jetset

    MC240 power transformer hum

    Hello everyone. This my first post. I have a mc240 and once i turn it on i hear a slight hum from the power tranformer. Nothing from the speakers until i crank up the twin mode gain controls past 2pm, then i’ll hear some hum from them. Also the PT seems too warm to the touch after amp has been...
  2. kennyno

    Question about Mc 240

    OK I have another problem, I powered up my 240 for the first time. Which was sold as working as new. The 6L6 second from the front of the amp lit up like spot light and went out . When I checked the tube the center post of the tube was gone and the fuse was blown. After removing the bottom cover...
  3. kennyno

    Question about Mc 240

    OK I have another problem, I powered up my 240 for the first time. Which was sold as working as new. The 6L6 second from the front of the amp lit up like spot light and went out . When I checked the tube the center post of the tube was gone and the fuse was blown. After removing the bottom cover...
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